<html class="reftest-wait">
<head>

<style>
 caption { color: green }
</style>

<script>
function boom()
{
  document.body.offsetHeight;

  var table = document.getElementById("table");

  var newtbody = document.createElement("tbody");
  var newrow = document.createElement("tr");
  var newcell = document.createElement("td");
  newcell.appendChild(document.createTextNode("a new row 2"));
  newrow.appendChild(newcell);
  newtbody.appendChild(newrow);
  table.insertBefore(newtbody, table.firstChild);

  var caption = document.createElement("caption");
  caption.appendChild(document.createTextNode("this is the caption"));
  table.insertBefore(caption, table.firstChild);

  newtbody = document.createElement("tbody");
  newrow = document.createElement("tr");
  newcell = document.createElement("td");
  newcell.appendChild(document.createTextNode("a new row 1"));
  newrow.appendChild(newcell);
  newtbody.appendChild(newrow);
  table.insertBefore(newtbody, table.firstChild);

  document.body.offsetHeight;
  document.documentElement.className = "";
}
</script>

</head>
<body onload="boom();">
<table id="table"><tbody>
<tr><td>a row</td></tr>
</tbody></table>
</body>
</html>
